2² × 13² × 17 × 59

Prime Factor Structure

Factorization String 2^2 × 13^2 × 17 × 59

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,383,480

Proper Divisor Sum 705,452

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #678023 ← → #678037

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

678,028 339,014 169,507 508,522 254,261 762,784 381,392 190,696 95,348 47,674 23,837 71,512 35,756 17,878 8,939 26,818 13,409 40,228 20,114 10,057 30,172 15,086 7,543 22,630 11,315 33,946 16,973 50,920 25,460 12,730 6,365 19,096 9,548 4,774 2,387 7,162 3,581 10,744 5,372 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.